DE102006057892A1 - Method for pre-magnetizing an electric machine for an automatic start of a combustion engine comprises pre-magnetizing the machine based on a stopping phase of the combustion engine - Google Patents
Method for pre-magnetizing an electric machine for an automatic start of a combustion engine comprises pre-magnetizing the machine based on a stopping phase of the combustion engine Download PDFInfo
- Publication number
- DE102006057892A1 DE102006057892A1 DE102006057892A DE102006057892A DE102006057892A1 DE 102006057892 A1 DE102006057892 A1 DE 102006057892A1 DE 102006057892 A DE102006057892 A DE 102006057892A DE 102006057892 A DE102006057892 A DE 102006057892A DE 102006057892 A1 DE102006057892 A1 DE 102006057892A1
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- Prior art keywords
- bias
- automatic
- combustion engine
- engine
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0859—Circuits or control means specially adapted for starting of engines specially adapted to the type of the starter motor or integrated into it
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2044—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using pre-magnetisation or post-magnetisation of the coils
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2300/00—Control related aspects of engine starting
- F02N2300/20—Control related aspects of engine starting characterised by the control method
- F02N2300/2004—Control related aspects of engine starting characterised by the control method using adaptive control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2300/00—Control related aspects of engine starting
- F02N2300/20—Control related aspects of engine starting characterised by the control method
- F02N2300/2006—Control related aspects of engine starting characterised by the control method using prediction of future conditions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
Description
Die Erfindung betrifft ein Verfahren zur Vormagnetisierung einer elektrischen Maschine für einen automatischen Start einer Brennkraftmaschine mit Start-Stopp-Automatik bei einem Kraftfahrzeug.The The invention relates to a method for biasing an electrical Machine for an automatic start of an internal combustion engine with automatic start-stop at a Motor vehicle.
Aus
der
Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zur Vormagnetisierung einer elektrischen Maschine für einen automatischen Start einer Brennkraftmaschine mit Start-Stopp-Automatik bei einem Kraftfahrzeug bereitzustellen, bei dem die Startzeit für einen automatischen Motorstart im Vergleich zu herkömmlichen Verfahren weiter verkürzt ist. Ferner soll auch der für die Vormagnetisierung erforderliche Stromverbrauch möglichst gering gehalten werden.Of the Invention is based on the object, a method for biasing an electric machine for an automatic start of an internal combustion engine with automatic start-stop provide in a motor vehicle, in which the start time for a automatic engine start compared to conventional methods is further shortened. Furthermore, should also for the bias required power consumption as possible be kept low.
Erfindungsgemäß wird die Aufgabe durch die Gesamtheit der Merkmale des Anspruchs 1 gelöst, während in den Unteransprüchen bevorzugte Weiterbildungen der Erfindung angegeben sind. Erfindungsgemäß wird innerhalb einer automatisch eingeleiteten Stoppphase (die beispielsweise bei Erreichen einer vorbestimmten Leerlaufdrehzahl und betätigter Kupplung automatisch eingeleitet wird), die Vormagnetisierung der elektrischen Maschine ohne das Vorliegen einer Startaufforderung (z.B. durch Betätigung der Kupplung und/oder durch Betätigung des Fahrpedals bei getrenntem Antriebsstrang) durchgeführt, indem der Startzeitpunkt der Vormagnetisierung und/oder der Betrag des Vormagnetisierungsstroms und/oder die Zeitdauer für die ein Vormagnetisierungsstrom aktiv geschaltet ist variiert wird bzw. werden. Diese Variierung erfolgt dabei in der Regel von Vormagnetisierungsimpuls (bzw. -impulspaket) zu Vormagnetisierungsimpuls (bzw. -impulspaket) innerhalb einer Vormagnetisierungsphase. Die Vormagnetisierungsphase liegt stets zwischen dem letzten automatischen Motorstopp und dem bevorstehendem automatischen Motorstart.According to the invention Problem solved by the entirety of the features of claim 1, while in the dependent claims preferred developments of the invention are given. According to the invention within an automatically initiated stop phase (the example Reaching a predetermined idle speed and actuated clutch automatically initiated), the premagnetization of the electrical Machine without the presence of a start request (e.g. activity the clutch and / or by pressing the Accelerator pedal with separate drive train) performed by the start time of the bias and / or the amount of Bias current and / or the duration of the one Bias current is switched active is varied or become. This variation is usually done by bias pulse (or pulse packet) to bias pulse (or pulse packet) within a pre-magnetization phase. The premagnetization phase is always between the last automatic engine stop and the imminent automatic engine start.
In einer besonders bevorzugten Ausführungsform der Erfindung ist die Vormagnetisierung situativ angepasst bzw. erfolgt die Variierung der Vormagnetisierung in Abhängigkeit von der vorliegenden Betriebsweise des Kraftfahrzeugs. Mit Vorteil erfolgt die situative Anpassung der Vormagnetisierung der elektrischen Maschine unter Verwendung adaptiver Verfahren zur Klassifizierung typischer Fahrsituationen.In a particularly preferred embodiment According to the invention, the bias is adapted situationally or the variation of the bias takes place depending on from the present mode of operation of the motor vehicle. With advantage the situational adjustment of the bias of the electrical system takes place Machine using adaptive methods for classification typical driving situations.
Alternativ kann die Anpassung bzw. eine Voreinstellung der Parameter zur Vormagnetisierung auch durch den Hersteller erfolgen, indem im Rahmen des Herstellungsprozesses oder eines Werkstattaufenthalts eine Veränderung oder Voreinstellung der Parameter in Abhängigkeit von der Fahrzeugbaureihe (bzw. dem Fahrzeugtyp) und/oder in Abhängigkeit von dem vorgesehenen Einsatzmarkt (länderabhängige Parameterunterscheidung) erfolgt.alternative The adjustment or a presetting of the parameters for biasing can also carried out by the manufacturer, as part of the manufacturing process or a workshop visit a change or presetting the parameter in dependence of the vehicle series (or vehicle type) and / or depending of the intended use market (country-dependent parameter distinction) he follows.
Mögliche Parameter (Eingangsparameter) für ein adaptives Verfahren bzw. eine Variierung der Parameter zur Vormagnetisierung sind die Zeitdauer und/oder die Häufigkeit von automatisch eingeleiteten Motorstopps, der Batterie- bzw. Batterieladezustand, der Grad der Generatorauslastung bzw. der Bordnetzzustand sowie eine Fahrertypspezialisierung (insbesondere unterscheidend zwischen sportlicher und ruhiger bzw. normaler Fahrweise). Durch die situative Variierung der Parameter zur Vormagnetisierung der elektrischen Maschine ist es möglich, ein für den Fahrer im Sinne einer Startzeitverkürzung verbessertes Motor-Start-Stopp-System darzustellen. Durch das adaptive Verfahren werden Motorstoppzeiten und/oder Motorstopphäufigkeiten ermittelt, die bestimmten Randbedingungen wie Fahrertyp, örtliche Umgebung (Stadt, Landstrasse, Autobahn o.d.) Rechnung tragen bzw. diese entsprechend berücksichtigen. Durch Berücksichtigung dieser Randbedingungen (aus der Fahrhistorie) kann z.B. bei einem automatisch eingeleiteten Motorstopp auf eine zu erwartende Halte- bzw. Stoppzeit geschlossen werden, so dass eine Vormagnetisierung bereits vor dem Vorliegen eines Startbefehls für einen automatischen Motorstart so rechtzeitig erfolgen kann, dass der bevorstehende Motorstart im Wesentlichen unverzögert erfolgen kann. Die Vormagnetisierung erfolgt somit mit Ablauf der erwarteten Stoppzeit und mit hoher Wahrscheinlichkeit bereits vor Anliegen eines Startbefehls für den automatischen Motorstart.Possible parameters (Input parameter) for an adaptive method or a variation of the parameters for biasing are the time duration and / or the frequency of automatically initiated Engine stops, the battery or battery state of charge, the degree of Generator utilization or the electrical system status as well as a driver type specialization (in particular distinguishing between sporty and quiet or normal driving style). By the situational variation of the parameters For biasing the electric machine, it is possible to for the Driver in terms of a start time reduction to represent improved engine start-stop system. The adaptive method makes engine stop times and / or engine stop frequencies determines the specific boundary conditions such as driver type, local Environment (city, country road, motorway or the like) take account or take this into account accordingly. By consideration These boundary conditions (from the driving history) can e.g. at a automatically initiated engine stop to an expected stop or stop time are closed, so that a bias already before the presence of a start command for an automatic engine start can be done in time for the upcoming engine start essentially instantaneous can be done. The bias is thus with expiration of expected stop time and with high probability already before Request for a start command for the automatic engine start.
Im Rahmen der situativen Anpassung der Parameter zur Vormagnetisierung erfolgt/erfolgen die Ermittlung der Anzahl und/oder die Ermittlung der Dauer der Motorstoppphasen kontinuierlich und zeitlich unbegrenzt. Das System lernt demnach ständig dazu.in the Framework of situational adaptation of bias parameters the number is determined and / or determined the duration of the engine stop phases continuously and indefinitely. The system is therefore constantly learning.
Die Ermittlung der Anzahl der Motorstoppphasen kann auch erfolgen, indem mehrfach über eine vorbestimmte Zeitdauer die Anzahl der auftretenden automatischen Motorstopphasen gezählt wird und hiervon ggf. ein Mittelwert gebildet wird. Die Ermittlung der durchschnittlichen Dauer der zu erwartenden Motorstoppphase kann erfolgen, indem über eine vorbestimmte Anzahl von Motorstopps oder über eine vorbestimmte Zeitdauer die durchschnittliche Motorstoppdauer ermittelt wird.The number of engine stop phases can also be determined by counting the number of automatic engine stop phases occurring several times over a predetermined period of time and if necessary an average value is formed from this. The average duration of the expected engine stop phase may be determined by determining the average engine stop duration over a predetermined number of engine stoppages or over a predetermined period of time.
Im Rahmen der variierbaren Vormagnetisierung wird vorzugsweise auf einen so genannten Ursprungsparametersatz zurückgegriffen, der dem Fahrzeug im Rahmen seiner Herstellung werkseitig implementiert wurde. Dieser Ursprungsparametersatz berücksichtigt insbesondere die entsprechende Fahrzeugbaureihe (z.B. BMW 1er, 3er, 5er, 7-er o.d.), ggf. den Fahrzeugtyp innerhalb dieser Baureihe (Diesel, Benziner, Hubraum und dergleichen) und/oder länderspezifische Besonderheiten (Deutschland, Frankreich, Italien, ...). Demnach können unterschiedliche Ursprungsparametersätze in unterschiedlichen Fahrzeugen hinterlegt sein und von autorisiertem Fachpersonal über Diagnosegeräte aktiviert werden oder ein ausgewählter Ursprungsparametersatz überhaupt erst eingespielt werden.in the Variable biasing frame is preferably on used a so-called origin parameter set, the vehicle was factory-implemented as part of its manufacture. This Source parameter set taken into account especially the corresponding vehicle series (for example, BMW 1 Series, 3 Series, 5er, 7-er o.d.), possibly the vehicle type within this series (Diesel, gasoline engine, displacement and the like) and / or country-specific Special features (Germany, France, Italy, ...). Therefore can different origin parameter sets in different vehicles be stored and activated by authorized specialists via diagnostic equipment become or a selected one Origin parameter set at all be recorded first.
Mit Vorteil sind die Parameter für die Vormagnetisierung der elektrischen Maschine in Abhängigkeit von den Daten eines Navigationssystems adaptierbar bzw. ist eine gezielte Umschaltung zwischen verschiedenen hinterlegten Parametersätzen in Abhängigkeit von den Navigationsdaten möglich. Je nach Bedarf kann somit auf einen anderen Parametersatz umgeschaltet werden, ohne dass ein zeitintensiver Adaptierungs- und Lernprozess erforderlich ist. Für den Fall, dass der Fahrer sich des nachts gerade auf einer Autobahn befindet, hier gerade einen langen Stau hinter sich gelassen hat – und aufgrund vieler stop-and-go-Phasen die Parameter zur Vormagnetisierung der elektrischen Maschine für kürzeste Stopphasen ausgelegt sind – und der Fahrer die Autobahn in Richtung Innenstadt verlässt, kann dass System aufgrund der Navigationsdaten von einem Parametersatz mit kurzen Stopphasen für den stop-and-go-Verkehr ohne Verzögerung umschalten auf einen Parametersatz für Stadtverkehr bei Nacht, bei dem die Stopphasen (für eventuelle Ampelstopps) entsprechend länger ausgeführt sind. Zusätzlich zur Berücksichtigung von Navigationsdaten ist auch eine Anpassung der Parameter in Abhängigkeit von Verkehrsinformationen denkbar. Diese können über ein fahrzeuginternes Autoradio oder über externe Verkehrsinformationssysteme in die relevanten Steuergeräte eingespielt werden. Durch die intelligente Verknüpfung der Verkehrsinformationsdaten mit Navigationsdaten und elektronischer Karteninformationen kann in Verkehrssituationen z. B. zwischen einem normalen Ampelstopp und einem Stopp in einem stop-and-go-Betrieb aufgrund eines Staus unterschieden werden.With Advantage are the parameters for the bias of the electrical machine in dependence from the data of a navigation system adaptable or is a targeted switching between different stored parameter sets in dependence possible from the navigation data. Depending on requirements, it is thus possible to switch to a different parameter set without a time-consuming adaptation and learning process is required. For the case that the driver is watching a highway at night is here just left a long traffic jam behind - and because of many stop-and-go phases the parameters for biasing the electrical Machine for shortest stop phases are designed - and the driver can leave the highway in the direction of the city center that system based on the navigation data from a parameter set with short stop phases for switch the stop-and-go traffic without delay to one Parameter set for City traffic at night, in which the stop phases (for eventual Traffic light stops) accordingly longer accomplished are. additionally for consideration Navigation data is also an adaptation of the parameters depending on of traffic information conceivable. These can be done via an in-vehicle car radio or via external Traffic information systems recorded in the relevant control units become. Through the intelligent linking of traffic information data with Navigation data and electronic map information can be found in Traffic situations z. B. between a normal traffic light stop and distinguished a stop in a stop-and-go operation due to a jam become.
In
der einzigen Zeichnungsfigur (
In
einem Normalbetrieb wird die Brennkraftmaschine eines Kraftfahrzeugs
bei Vorliegen vorbestimmter Abschaltbedingungen, zu denen auch das Erreichen
einer vorbestimmten (Leerlauf-)Drehzahl und/oder das Erreichen einer
vorbestimmten Geschwindigkeitsschwelle zählt, automatisch (vorübergehend)
abgeschaltet. Diese automatische Abschaltung erfolgt gemäß
Claims (9)
Priority Applications (1)
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DE102006057892A DE102006057892A1 (en) | 2006-12-08 | 2006-12-08 | Method for pre-magnetizing an electric machine for an automatic start of a combustion engine comprises pre-magnetizing the machine based on a stopping phase of the combustion engine |
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DE102006057892A DE102006057892A1 (en) | 2006-12-08 | 2006-12-08 | Method for pre-magnetizing an electric machine for an automatic start of a combustion engine comprises pre-magnetizing the machine based on a stopping phase of the combustion engine |
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DE102006057892A1 true DE102006057892A1 (en) | 2008-06-12 |
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DE102006057892A Withdrawn DE102006057892A1 (en) | 2006-12-08 | 2006-12-08 | Method for pre-magnetizing an electric machine for an automatic start of a combustion engine comprises pre-magnetizing the machine based on a stopping phase of the combustion engine |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2128427A1 (en) * | 2008-05-27 | 2009-12-02 | Valeo Equipements Electriques Moteur | Method and device for controlling the starting time of a vehicle heat engine |
WO2010010271A2 (en) * | 2008-07-24 | 2010-01-28 | Valeo Equipements Electriques Moteur | Method and device for monitoring the start time of a heat engine of a vehicle |
FR2949514A1 (en) * | 2009-09-02 | 2011-03-04 | Valeo Equip Electr Moteur | METHOD FOR CONTROLLING A MICRO-HYBRID SYSTEM |
DE102009045886A1 (en) | 2009-10-21 | 2011-04-28 | Robert Bosch Gmbh | Method and apparatus for improving the restart of a vehicle equipped with start-stop operation |
EP2146088A3 (en) * | 2008-07-18 | 2014-06-25 | Audi AG | Method for operating a motor of a vehicle and motor vehicle |
DE102015209014A1 (en) * | 2015-05-18 | 2016-11-24 | Robert Bosch Gmbh | Method for controlling a separately excited electrical machine to support a regeneration of a NOx storage catalytic converter |
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2006
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US8401770B2 (en) | 2008-05-27 | 2013-03-19 | Valeo Equipements Electriques Moteur | Method and device for controlling start time of vehicle heat engine |
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CN102105675B (en) * | 2008-07-24 | 2013-06-19 | 法雷奥电机设备公司 | Method and device for monitoring the start time of heat engine of vehicle |
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KR20120073219A (en) * | 2009-09-02 | 2012-07-04 | 발레오 에뀝망 엘렉뜨리끄 모떼르 | Method for controlling a micro-hybrid system |
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FR2949514A1 (en) * | 2009-09-02 | 2011-03-04 | Valeo Equip Electr Moteur | METHOD FOR CONTROLLING A MICRO-HYBRID SYSTEM |
KR101694573B1 (en) | 2009-09-02 | 2017-01-09 | 발레오 에뀝망 엘렉뜨리끄 모떼르 | Method for controlling a micro-hybrid system |
WO2011047916A1 (en) | 2009-10-21 | 2011-04-28 | Robert Bosch Gmbh | Method and device for improving the restart of a vehicle with start-stop system |
DE102009045886A1 (en) | 2009-10-21 | 2011-04-28 | Robert Bosch Gmbh | Method and apparatus for improving the restart of a vehicle equipped with start-stop operation |
DE102015209014A1 (en) * | 2015-05-18 | 2016-11-24 | Robert Bosch Gmbh | Method for controlling a separately excited electrical machine to support a regeneration of a NOx storage catalytic converter |
US10094258B2 (en) | 2015-05-18 | 2018-10-09 | Robert Bosch Gmbh | Method for controlling an externally excited electric machine to boost regeneration of a NOx storage catalyst |
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